Duke of Saint-Simon 1635-1693, viscount of Clastres, baron of Benay (1607-1693)
Blazon: Per quarterly I and IV per pale i chequy or and azure, on a chief of the second, three fleurs-de-lis of the first (Vermandois) and ii sable on a cross argent five escallops gules (Rouvroy), II and III or a fess gules (Havesquerke-Rasse); overall in the fess point an escutcheon lozengy gules and argent, a chief of the last* (La Vacquerie)
*This depiction has the chief in question or; however, the official blazon specifies argent.
Blazon: Azure on a fess between two chevrons argent a mural crown gules all between two flaunches of the second each charged with as many bars wavy of the field surmounted by a seaxe point in chief proper
Crest: On a wreath of the colors an ancient ship gules flying flags and pennon of St. George, charged on the hull with three escallops and pendant from the yardam by chains a portcullis or nailed and spiked azure
Blazon: Barry wavy of eight azure and argent a lymphad in sail or flying flags and pennon of the second a cross gules; on a chief of the third, three pellets, the center charged with a cross engrailed and the others with an escallop of the last
Crest: On a wreath of the colors in front of a port between two square towers proper issuant therefrom a rising sun of seven rays, a mitre or
Blazon: Per pale azure on the sea in base barry wavy argent and the field, a lymphad or, sail of the second, in chief two escallops of the last (Pobra do Deán); and or on a base vert two houses argent windowed azure joined by a path pallwise of the third, issuant from between them a camariña branch of the second (Pobra)